xlv CONTENT S. 



Experimental Enquiry into tlie Prd* 

 portion of the several Gases or Elastic 

 Fluids constituting the Atmosphere. By- 

 John D^itbn.l,. J4..il..ll.,.ir..l,« 244 



On the Tendency of Elastic Fluids to 

 Di fusion through 'ea2:h'^other: By John 

 Dalton 259 



0?i\,(he M^Qrpt^iOH pf GaSes by Watdr 

 and other Liquids. \ By John Dalton. 27 1 



A Description of a Property of Caout- 

 choiiC'pf Jndiai^'RuUbie^y with some Re ) 

 fkction$l on . the, _. CajtUe . qf . the Elasticity ■'\ 

 of this Substance. — In a Letter to Dr. 

 Holme.- By Mr; Jc>hrVGough..::..v.:j:„ 288 



An- -Essay- on- - -tlhe llieory of- Mixed 

 GaseSy and on the state of Water in the 

 Atmospliere. By Mr: J. Gough. ........... 2^G 



On th€ Use of the Sutures in the Skulls - 

 of Animals. By Mr. B. Gibson. ...... i... -J 317- 



On the Moral Influence of History. 

 By the^Rev. G.Walker, F. R, S^.....,.... 328 



